- Ida Bay (Tasmania), photographs
- 18-27
- Igneous action
- 8-52
- Igneous rocks
- 2-1 8-21 8-22 15-43 15-44 15-45 15-51 15-52 15-53 19-3 19-6 21-1
- Igneous Rocks of the British Isles
- 15-45
- IKONTA
- 17-17 19-9
- Imai, Naoya (Waseda University)
- 6-10
- Imperial College of Science and Technology, London
- 1-14 6-16 15-6
- India
- 4-35 4-36 6-12 6-17 10-18 10-19 14-9 17-24 20-22 20-23 20-41 20-42 20-43 20-44
- The Indian and Eastern Engineer
- 14-9
- Indonesia
- 3-27 4-20 4-35 10-20 10-21 10-22 10-23 10-24 10-25 10-26 10-29 19-20
- Indonesia, Institute of Technology, Bandung
- 10-22
- Indonesia, Tectonic map of
- 10-25
- Ingram, D.C. (Methuen & Co. Ltd/ Chapman & Hall Ltd) Innsbruck (Austria), photographs
- 14-13 15-1 15-3 15-4 15-8
- Institute of Australian Geographers
- 1-46
- Institution of Engineers
- 5-6
- International Association of Hydrogeologists, Victorian Branch
- 6-14
- International Association of Hydrology
- 6-14 7-20
- International Biographical Centre
- 1-2
- International Geophysical Year
- 5-10 17-25
- International Hydrological Decade
- 2-2 5-3 5-6 5-11 7-21
- International Register of Geomorphologists
- 6-11
- International Scholars Directory
- 1-4
- International Union for Quaternary Research (INQUA), Official Compte Rendu of the Xth Congress
- 7-37
- International Union of Geodesy and Geophysics
- 7-20
- International Union of Geological Sciences
- 7-16 7-17 7-18 7-24 10-27
- Inverloch (Victoria), photographs
- 18-3 18-17 18-18
- Iran, photographs
- 8-14 16-1 16-3 16-12 16-30 16-36 20-24 20-25
- Irving, A.J. (Australian National University)
- 8-54
- Isfahar (Iran), photographs
- 20-24
- Israel
- 4-21
- Italy, photographs Ives, W. (Agricultural and Biological Sciences, CSIRO; Department of Primary industry)
- 20-13 20-14 20-15
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